NOTE:Key Â¨ONÂ¨ in all instructions means Key in RUN position ie. all instrument liglts ON. Not just the first notch or Ã¤ccessory position. The ECU is not powered up in any other position on the Ignition switch other than full on which is indicated by panel lights ON and can NOT respond to the ELM interface unless its powered up.

Hi,I bought a new Elm Scan5 and tried with Suzuki Liana, LandRover Discovery MY 2004,but both attempts were unsuccessful. Surprisingly both the vehicles are OBD2 compliant. What could be the reason? I am in Sri Lanka and here we have Japanese vehicles. I am sure all are OBD 2 compliant.